Power is a vector quantity
Indicate whether the statement is true or false
FALSE
You might also like to view...
Simple Harmonic Motion: A sewing machine needle moves in simple harmonic motion with a frequency of 2.5 Hz and an amplitude of 1.27 cm.(a) How long does it take the tip of the needle to move from the highest point to the lowest point in its travel?(b) How long does it take the needle tip to travel a total distance of 11.43 cm?
What will be an ideal response?
The term observable universe refers to
A) the portion of the universe that we have so far photographed through telescopes. B) the portion of the universe that can be seen by the naked eye. C) the portion of the universe that is not hidden from view by, for example, being below the horizon. D) the portion of the universe that we can see in principle, given the current age of the universe.
A person stands 35.0 m from a flag pole. With a protractor at eye level, he finds that the angle at the top of the flag pole makes with the horizontal is 25.0 degrees
Approximately how high is the flag pole? (The distance from his feet to his eyes is 1.7 m.) A) 10 m B) 20 m C) 30 m D) 50 m E) 80 m
Two converging lenses, the first with focal length 25 cm and the second with focal length 20 cm, are separated by 30 cm. A 4.0 cm tall object is placed 50 cm in front of the first lens. Where is the final image?
A. 20 cm after the second lens B. 20 cm before the second lens C. 10 cm after the second lens D. 10 cm before the second lens E. 50 cm after the second lens